P1400 ISUZU Cold Start Emission Reduction Control System

Possible causes – Check other codes first– Partial clutch application following start up Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1400 ISUZU OBD Code Description As measured within the first 70 seconds of engine run time

P0261 ISUZU Injector 1 Control Circuit Low Voltage

Possible causes – Dirty Fuel Injector 1– Faulty Fuel Injector 1– Plugged Fuel Injector 1– Fuel injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector. Symptoms – Engine…

P0264 ISUZU Cylinder 2 Injector Circuit Low

Possible causes – Dirty Fuel Injector 2– Faulty Fuel Injector 2– Plugged Fuel Injector 2– Fuel injector 2 harness is open or shorted– Fuel injector 2 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector. Symptoms – Engine…

P0533 ISUZU A/C Refrigerant Pressure Sensor Circuit High Input

Possible causes – A/C system low or over charge with refrigerant– Faulty A/C refrigerant pressure sensor– Cooling fans in-operative– A/C refrigerant pressure sensor circuit open or shorted– A/C refrigerant pressure sensor circuit poor electrical connection When is the obd code mean? The P0533 code is detected when the signal circuit is too high. Symptoms –…

P2445 ISUZU Secondary Air Injection System Pump Stuck OFF

Possible causes – Air pump fuse– Vacuum hose– Air pump assembly– Faulty Pressure Sensor– Air pump harness is open or shorted– Air pump circuit poor electrical connection– Pressure Sensor harness is open or shorted– Pressure Sensor circuit poor electrical connection When is the obd code mean? If the pressure level from the sensor has not…

P0532 ISUZU A/C Refrigerant Pressure Sensor Circuit Low Input

Possible causes – A/C system low or over charge with refrigerant– Faulty A/C refrigerant pressure sensor– Cooling fans in-operative– A/C refrigerant pressure sensor circuit open or shorted– A/C refrigerant pressure sensor circuit poor electrical connection When is the obd code mean? The P0532 code is detected when the signal circuit is too low. Symptoms –…